hook A on B

hook A on B : A を B に夢中にさせる

The smart phone has hooked me on SNS.

walk the walk

walk the walk: 物事をきちんと実行する
talk the talk: 物事をきちんと話す

She talks the talk and walks the walk. 彼女は有言実行する。

walk the talk もほぼ同義。

She walks the talk.

mom-and-pop

mom-and-pop: （店の規模が）小さな、夫婦だけで経営する、家族経営の
bricks-and-mortar business: 実店舗だけのビジネス

Some mon-and-pop retailers get sales by their e-commerce sites more than their bricks-and-mortar business.